WO2018152714A1 - 用于信息传输的方法和设备 - Google Patents

用于信息传输的方法和设备 Download PDF

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Publication number
WO2018152714A1
WO2018152714A1 PCT/CN2017/074447 CN2017074447W WO2018152714A1 WO 2018152714 A1 WO2018152714 A1 WO 2018152714A1 CN 2017074447 W CN2017074447 W CN 2017074447W WO 2018152714 A1 WO2018152714 A1 WO 2018152714A1
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WO
WIPO (PCT)
Prior art keywords
block
currently scheduled
coding
coded
transport block
Prior art date
Application number
PCT/CN2017/074447
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
林亚男
Original Assignee
广东欧珀移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201780077870.0A priority Critical patent/CN110073624A/zh
Priority to SG11201907728YA priority patent/SG11201907728YA/en
Priority to ES21212662T priority patent/ES2939016T3/es
Priority to EP17897527.2A priority patent/EP3584977B1/en
Priority to CN202111142053.3A priority patent/CN113872737B/zh
Priority to AU2017400807A priority patent/AU2017400807B2/en
Priority to KR1020197025338A priority patent/KR20190118591A/ko
Priority to JP2019545763A priority patent/JP2020511820A/ja
Priority to CA3054200A priority patent/CA3054200C/en
Priority to ES17897527T priority patent/ES2907816T3/es
Priority to BR112019017328-5A priority patent/BR112019017328A2/pt
Priority to PCT/CN2017/074447 priority patent/WO2018152714A1/zh
Priority to RU2019129177A priority patent/RU2722583C1/ru
Priority to US16/487,141 priority patent/US10972227B2/en
Application filed by 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Priority to EP21212662.7A priority patent/EP3985902B1/en
Priority to MX2019010038A priority patent/MX2019010038A/es
Priority to TW107105077A priority patent/TWI757425B/zh
Publication of WO2018152714A1 publication Critical patent/WO2018152714A1/zh
Priority to IL268810A priority patent/IL268810B2/en
Priority to PH12019501935A priority patent/PH12019501935A1/en
Priority to ZA2019/06074A priority patent/ZA201906074B/en
Priority to US17/035,138 priority patent/US11483098B2/en
Priority to JP2021203457A priority patent/JP2022043166A/ja

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1621—Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Definitions

  • Embodiments of the present application relate to the field of communications and, more particularly, to methods and apparatus for information transmission.
  • the receiving device sends Acknowledgement (ACK)/Negative Acknowledgment (NACK) information to the transmitting device for different coding blocks in one transport block.
  • the transmitting device retransmits the coded block that failed decoding according to the feedback information.
  • the present application provides a method and device for information transmission, which can determine an appropriate amount of feedback information, reduce control signaling overhead, improve control signaling demodulation performance, and improve system efficiency.
  • a method for information transmission comprising: determining, by a terminal device, first quantity information, the first quantity information being information related to the number of coding block groups included in one transport block, each coding The block group includes at least one coding block; the terminal device determines a second quantity information, the second quantity information being information related to a total number of bits included in the currently scheduled transmission block; the terminal device according to the first The quantity information and the second quantity information determine information related to the coded block group actually included in the currently scheduled transport block.
  • the terminal device determines the transmission with the current schedule according to information related to the number of coded block groups included in one transport block and information related to the total number of bits included in the currently scheduled transport block.
  • the information about the block group actually included in the block Thereby, the terminal device can determine the number of the coded block groups actually included in the currently scheduled transport block according to the information about the coded block group actually included in the currently scheduled transport block, and can be encoded according to the coded block group.
  • the number of block groups determines an appropriate amount of feedback information, reduces the overhead of control signaling, improves the demodulation performance of control signaling, and improves system efficiency.
  • the first quantity information is used Indicates a maximum number of coded block groups that a transport block can include; or, the first quantity information is used to indicate the number of coded block groups that the currently scheduled transport block actually includes.
  • the second quantity information is used to indicate a total number of bits included in the currently scheduled transmission block; or, the second The quantity information is used to indicate the number of bits included in each of the currently scheduled transmission blocks.
  • the information related to the coded block group actually included in the currently scheduled transport block is the code actually included in the currently scheduled transport block.
  • the number of block groups; or the information related to the coded block group actually included in the currently scheduled transport block is the number of coded block groups actually included in the currently scheduled transport block and the code included in each coded block group The number of blocks.
  • the first quantity information is used to indicate a maximum number of coding block groups that a transport block can include, and the currently scheduled transmission
  • the information about the coded block group actually included by the block is the number of coded block groups actually included in the currently scheduled transport block;
  • the terminal device determines, according to the first quantity information and the second quantity information, information related to the coded block group actually included in the currently scheduled transport block, including: the terminal device according to the first Determining, by the two quantity information, a number of coding blocks actually included in the currently scheduled transmission block; the terminal device according to a maximum number of coding block groups that can be included in one transport block and a number of coding blocks actually included in the transport block, Determining the number of coded block groups that the currently scheduled transport block actually includes.
  • the terminal device performs a rounding operation on a value obtained by performing a rounding operation on a ratio of a total number of bits included in the currently scheduled transmission block to a maximum number of bits that can be included in the coding block, and is determined to be actually included in the currently scheduled transmission block.
  • the number of coded blocks are not limited to a rounding operation on a value obtained by performing a rounding operation on a ratio of a total number of bits included in the currently scheduled transmission block to a maximum number of bits that can be included in the coding block, and is determined to be actually included in the currently scheduled transmission block. The number of coded blocks.
  • the terminal device is configured according to a maximum number of coding block groups that can be included in one transport block and an actual code included in the currently scheduled transport block. Determining, by the number of blocks, the number of coded block groups actually included in the currently scheduled transport block, including: a maximum number of coded block groups that the terminal device can include in one transport block, and the currently scheduled transport block actually includes The smaller of the number of coded blocks, is determined as the number of coded block groups actually included in the currently scheduled transport block.
  • the method further includes: the terminal device according to the current schedule The number of coded block groups actually included in the transport block and the number of code blocks actually included in the currently scheduled transport block determine the number of code blocks included in each code block group.
  • the information related to the coded block group actually included in the currently scheduled transport block is the code actually included in the currently scheduled transport block.
  • the determining, by the terminal device, information related to the coded block group actually included in the currently scheduled transport block, according to the first quantity and the second quantity information including: when the terminal device determines the When the quantity information is used to indicate the number of the coded block groups actually included in the currently scheduled transport block, determine the quantity indicated by the first quantity information as the number of code groups actually included in the currently scheduled transport block; And determining, by the terminal device, the number of coding blocks included in each coding block group in the currently scheduled transmission block according to the second quantity information.
  • the terminal device determines, according to the second quantity information, a coding block included in each coding block group in the currently scheduled transmission block.
  • the number includes the terminal device determining the number of coding blocks included in each coding block group according to the second quantity information and the maximum number of bits that one coding block can include.
  • each coding block group includes multiple coding blocks
  • the number of the multiple coding blocks included in each coding block group is continuous.
  • the terminal device supports multiple transmission configurations, where the transmission configuration includes one of the following transmission configurations: a service type configuration, Transmitting a time interval configuration and a basic parameter set configuration, the method further comprising: the terminal device determining a maximum number of bits that a coding block can include according to a current transmission configuration.
  • each coding block group corresponds to one common cyclic redundancy check CRC information
  • each code block group The information carried by each code block included corresponds to a proprietary CRC message.
  • the method when the currently scheduled transport block is a transport block of a downlink transmission, the method further includes: the terminal setting And determining, in the coding block group actually included by the currently scheduled transmission block, a coding block group that fails to be transmitted; and determining, by the terminal device, the feedback information according to the coding block group that fails to be transmitted.
  • the feedback information is NACK information of a coding block group for indicating a transmission failure.
  • the terminal device determines, in the coding block group that is actually included in the currently scheduled transmission block, a coding block group that fails to be transmitted, including: Determining, by the terminal device, that the coding block that fails to be decoded in the first coding block group is determined according to the proprietary CRC information corresponding to the information carried by each coding block in the first coding block group, the first coding block Determining, by the group, a coding block group that is a transmission failure, the first coding block group being any one of the coding block groups actually included in the currently scheduled transmission block; or, when the terminal device is according to the first coding Determining, by the common CRC information corresponding to the information carried by the block group, that the first coded block group fails to be verified, the first coded block group is determined as a coded block group that fails to be transmitted, and the first coded block group is the Any of the coded block groups actually included in the currently scheduled transport block
  • the method when the currently scheduled transport block is a transport block of an uplink transmission, the method further includes:
  • scheduling signaling where the scheduling signaling is used to indicate a partial coding block group retransmission in a coding block group actually included by the currently scheduled transmission block; and the terminal device retransmits the partial coding block group.
  • the terminal device only needs to retransmit the coding block group indicated by the scheduling signaling, thereby improving system efficiency.
  • a second aspect provides a method for information transmission, comprising: a network device determining first quantity information, the first quantity information being information related to a number of coding block groups included in one transport block, each encoding The block group includes at least one coding block; the network device transmits a second quantity information to the terminal device, the second quantity information being information related to a total number of bits included in the currently scheduled transmission block; Determining information related to the coded block group actually included in the currently scheduled transport block, the first quantity information and the second quantity information.
  • the network device determines the transmission with the current schedule according to information related to the number of coding block groups included in one transport block and information related to the total number of bits included in the currently scheduled transport block.
  • the network device sends the second quantity information to the terminal device, so that the terminal device can determine, according to the determined first quantity and the received second quantity information, information related to the coded block group actually included in the currently scheduled transmission block.
  • the terminal device or the network device can be actually packaged according to the currently scheduled transport block
  • the information related to the coded block group determines the number of code groups actually included in the currently scheduled transport block.
  • the appropriate number of feedback information can be determined according to the number of coded block groups, and the control signaling is reduced.
  • the overhead improves the demodulation performance of control signaling and improves system efficiency.
  • the information related to the coded block group actually included in the currently scheduled transport block is the number of coded block groups actually included in the currently scheduled transport block; Or, the information related to the coded block group actually included in the currently scheduled transport block is the number of coded block groups actually included in the currently scheduled transport block and the number of coded blocks included in each coded block group.
  • the first quantity information is used to indicate a maximum number of coding block groups that a transport block can include, and the currently scheduled transmission
  • the information about the coded block group actually included by the block is the number of coded block groups actually included in the currently scheduled transport block;
  • the network device determines, according to the first quantity information and the second quantity information, information related to the coded block group actually included in the currently scheduled transport block, including: the network device according to the first Determining, by the two quantity information, a number of coding blocks actually included in the currently scheduled transmission block; the network device according to a maximum number of coding block groups that can be included in one transport block and a number of coding blocks actually included in the transport block, Determining the number of coded block groups that the currently scheduled transport block actually includes.
  • the network device is configured according to a maximum number of coding block groups that can be included in one transport block and an actual code included in the currently scheduled transport block. Determining, by the number of blocks, the number of coding block groups actually included in the currently scheduled transport block, comprising: a maximum number of coding block groups that the network device can include in one transport block, and the currently scheduled transport block actually including The smaller of the number of coded blocks, is determined as the number of coded block groups actually included in the currently scheduled transport block.
  • the method when the currently scheduled transport block is a transport block of a downlink transmission, the method further includes: the network device receiving the terminal device The feedback information sent by the network device determines, according to the feedback information, a coded block group that fails to be transmitted in the coded block group actually included in the currently scheduled transport block.
  • the method when the currently scheduled transport block is a transport block for uplink transmission, the method further includes: sending, by the network device, a scheduling signal The scheduling signaling is used to indicate that the currently scheduled transport block is actually included. Partially encoded block groups in the coded block group are retransmitted.
  • a terminal device for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the terminal device comprises functional modules for performing the method of the first aspect or any of the possible implementations of the first aspect described above.
  • a network device for performing the method of any of the foregoing second aspect or any of the possible implementations of the second aspect.
  • the network device comprises functional modules for performing the method of any of the possible implementations of the second aspect or the second aspect described above.
  • a terminal device including a processor, a memory, and a transceiver.
  • the processor, the memory, and the transceiver communicate with each other through an internal connection path, transmitting control and/or data signals, such that the terminal device performs any of the above first aspect or any possible implementation of the first aspect The method in .
  • a network device including a processor, a memory, and a transceiver.
  • the processor, the memory, and the transceiver communicate with each other through an internal connection path, transmitting control and/or data signals, such that the network device performs any of the second or second aspects of the foregoing possible implementations The method in .
  • a computer readable medium for storing a computer program, the computer program comprising instructions for performing the first aspect or any of the possible implementations of the first aspect.
  • a computer readable medium for storing a computer program, the computer program comprising instructions for performing any of the possible implementations of the second or second aspect described above.
  • FIG. 1 is a schematic flowchart of a method for information transmission according to an embodiment of the present application
  • FIG. 2 is a schematic diagram of a coded block group in accordance with an embodiment of the present application.
  • FIG. 3 is another schematic diagram of a coded block group according to an embodiment of the present application.
  • FIG. 4 is still another schematic diagram of a coded block group according to an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a method for information transmission according to another embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 7 is another schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a terminal device according to another embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a network device according to another embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the terminal device may include, but is not limited to, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a user equipment (User Equipment, UE), and a mobile phone (handset).
  • a portable device, a vehicle, etc. the terminal device can communicate with one or more core networks via a Radio Access Network (RAN), for example, the terminal device can be a mobile phone (or Known as "cellular" telephones, computers with wireless communication capabilities, etc., the terminal devices can also be portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile devices.
  • RAN Radio Access Network
  • the network device involved in the embodiment of the present application is a device deployed in a radio access network to provide a wireless communication function for a terminal device.
  • the network device may be a base station, and the base station may include various forms of macro base stations, micro base stations, relay stations, access points, and the like.
  • the names of devices with base station functionality may vary.
  • an Evolved NodeB eNB or eNodeB
  • 3G 3rd Generation
  • the uplink transmission refers to a process in which the terminal device sends information to the network device
  • the downlink transmission refers to a process in which the network device sends information to the terminal device
  • FIG. 1 illustrates a method for information transmission in accordance with an embodiment of the present application. As shown in FIG. 1, the method 100 includes:
  • the terminal device determines first quantity information, where the first quantity information is information related to the number of coding block groups included in one transport block, and each coding block group includes at least one coding block.
  • the terminal device determines second quantity information, where the second quantity information is information related to a total number of bits included in a currently scheduled transmission block.
  • the terminal device determines, according to the first quantity information and the second quantity information, information related to a coding block group actually included by the currently scheduled transmission block.
  • the terminal device determines and current according to information related to the number of coded block groups included in one transport block and information related to the total number of bits included in the currently scheduled transport block.
  • the information about the coded block group actually included in the scheduled transport block Thereby, the terminal device can determine the number of the coded block groups actually included in the currently scheduled transport block according to the information about the coded block group actually included in the currently scheduled transport block, and can be encoded according to the coded block group.
  • the number of block groups determines an appropriate amount of feedback information, reduces the overhead of control signaling, improves the demodulation performance of control signaling, and improves system efficiency.
  • the first quantity information is used to indicate a maximum number of coding block groups that one transport block can include, or it can be understood that the first quantity information is used to indicate a coding block that can be divided into one transport block.
  • the maximum number of groups In this case, the terminal device may receive the high layer signaling sent by the network device, and determine the first quantity information according to the high layer signaling. Or the maximum number of coded block groups that a transport block can include is pre-agreed by the protocol.
  • the first quantity information is used to indicate the number of the coded block groups actually included in the currently scheduled transport block, or it may be understood that the first quantity information is used to indicate the code into which the currently scheduled transport block is actually divided. The number of block groups.
  • the terminal device may receive downlink control signaling sent by the network device, and determine the first quantity information according to the downlink control signaling.
  • the second quantity information is used to indicate the total number of bits included in the currently scheduled transport block, or the second quantity information is used to indicate the bits included in each coded block group in the currently scheduled transport block. Quantity.
  • the terminal device may receive signaling sent by the network device, and determine the second amount of information according to the received signaling.
  • information related to the coded block group actually included in the currently scheduled transport block is the number of coded block groups actually included in the currently scheduled transport block, or is actually included with the currently scheduled transport block.
  • Information about the block group of the current scheduled transmission block The number of coded block groups included and the number of code blocks included in each code block group.
  • the terminal device determines, according to formula (1), the number N of coding block groups actually included in the currently scheduled transport block,
  • N min(A,N num_CB ) (1)
  • min() represents a smaller value operation
  • A represents the maximum number of coded block groups that a transport block can include
  • N num_CB represents the number of code blocks actually included in the currently scheduled transport block.
  • the value of the N num_CB may be that the network device indicates to the terminal device by using the signaling, and the value of the N num_CB may also be determined by the terminal device according to the second quantity information.
  • the terminal device determines the coded block group actually included in the currently scheduled transport block.
  • the number is 10.
  • the terminal device determines that the number of coded block groups actually included in the currently scheduled transport block is 8. .
  • the terminal device determines, according to the second quantity information, the number of coding blocks that the currently scheduled transmission block actually includes, and may be that the terminal device determines, according to formula (2), the code actually included by the currently scheduled transmission block.
  • the number of blocks may be that the terminal device determines, according to formula (2), the code actually included by the currently scheduled transmission block.
  • N TBS represents the total number of bits included in the currently scheduled transport block
  • N CB_max represents the maximum number of bits that a coded block can include.
  • the value of N CB_max in the formula (2) can be configured by a protocol or configured by a network device.
  • the terminal device needs to determine the value of N CB_max according to the current transmission configuration.
  • the terminal device supports N CB_max corresponding to different service types of multiple service types (for example, Enhanced Mobile Broadband (eMBB), Ultra Reliable & Low Latency Communication (URLLC)) The values are different.
  • the terminal device supports multiple transmission time intervals (for example, a slot, a mini-slot, and the value of N CB_max corresponding to different transmission time intervals is different.
  • the terminal device Supports a variety of basic parameter sets (Numerology), the values of N CB_max corresponding to different basic parameter sets are different.
  • the terminal device can transmit according to the current schedule.
  • the number N of coding block groups actually included by the block and the number of coding blocks actually included in the currently scheduled transmission block determine the number of coding blocks included in each coding block group.
  • the terminal device determines that the currently scheduled transport block actually includes the N coded block groups. Included in the code block group Code blocks, including each code block group in the remaining code block group Code blocks.
  • the terminal device determines that the currently coded transport block actually includes the N coded block groups. Included in the code block group Code blocks, including each code block group in the remaining code block group
  • the terminal device determines that two coding block groups in the three coding block groups contain three coding blocks, and one coding block group includes two coding blocks.
  • the terminal device determines, according to the first quantity information and the second quantity information, the number of coding block groups actually included in the currently scheduled transmission block and the number of coding blocks included in each coding block group.
  • the terminal device determines the number indicated by the first quantity information as the number of coded block groups actually included in the currently scheduled transport block. Further, the terminal device determines, according to the second quantity information, the number of coding blocks included in each coding block group in the currently scheduled transmission block.
  • the number of coding blocks included in each coding block group At this time, N TBS indicates the number of bits included in each coding block group.
  • the currently scheduled transport block includes three coding block groups, namely, an encoding block group 1, a coding block group 2, and an encoding block group 3, wherein the coding block group 1 includes numbers CB0, CB1, and A coding block of CB2, coding block group 2 includes coding blocks numbered CB3, CB4, and CB5, and coding block group 3 includes coding blocks numbered CB5, CB6, and CB7.
  • each coding block group corresponds to one Common Cyclic Redundancy Check (CRC) information, and each code included in each coding block group is included.
  • CRC Common Cyclic Redundancy Check
  • the information carried by the block corresponds to a proprietary CRC message.
  • the terminal device determines a coded block group that fails to be transmitted in the coded block group actually included in the currently scheduled transport block, and then the terminal device The feedback information is determined based on the coded block group of the transmission failure.
  • the foregoing feedback information may be NACK information of a coding block group for indicating that the transmission fails.
  • the network device may directly determine the coded block group that fails to be transmitted according to the NACK information.
  • the foregoing feedback information may also be ACK information for indicating a correctly transmitted coded block group, and the network device directly determines the correctly transmitted coded block group according to the ACK information, thereby determining the coded block group for which the transmission fails.
  • the foregoing feedback information includes both ACK information and NACK information, and the network device directly determines the coded block group that fails to be transmitted according to the NACK information.
  • the terminal device performs feedback for the coding block group, which can reduce the control signaling overhead, improve the demodulation performance of the control signaling, and improve the system efficiency, compared to the method for performing feedback for each coding block.
  • the terminal device determines the coded block group that fails to be transmitted in the coded block group actually included in the currently scheduled transport block, and may be determined in the following two manners:
  • the terminal device decodes all the coding blocks in a coding block group according to the proprietary CRC information corresponding to the information carried by each coding block. If there is a coding block that fails to be decoded in the coding block group, the terminal device Confirm that this coded block group is a coded block group whose transmission has failed.
  • the terminal device checks the coded block group according to the common CRC information corresponding to the information carried by the coded block group. If the coded block group fails to be verified, the terminal device confirms that the coded block group is the coded block group that fails to be transmitted. .
  • the terminal device receives scheduling information, where the scheduling signaling is used to indicate the coded block group actually included in the currently scheduled transport block.
  • the partial coded block group is retransmitted, and then the terminal device retransmits the partial coded block group. Therefore, the terminal device only needs to retransmit the coding block group indicating that the scheduling signaling indicates retransmission, which can improve system efficiency.
  • FIG. 5 illustrates a method for information transmission according to another embodiment of the present application. As shown in FIG. 5, the method 200 includes:
  • the network device determines first quantity information, where the first quantity information is information related to a quantity of coding block groups included in one transport block, and each coding block group includes at least one coding block.
  • the network device sends, to the terminal device, a second quantity information, where the second quantity information is information related to a total number of bits included in the currently scheduled transmission block.
  • the network device determines, according to the first quantity information and the second quantity information, information related to a coding block group actually included by the currently scheduled transmission block.
  • the network device determines the transmission with the current schedule according to information related to the number of coding block groups included in one transport block and information related to the total number of bits included in the currently scheduled transport block. The information about the block group actually included in the block. And the network device sends the second quantity information to the terminal device, so that the terminal device can determine, according to the determined first quantity and the received second quantity information, information related to the coded block group actually included in the currently scheduled transmission block.
  • the terminal device or the network device can determine the number of the code groups actually included in the currently scheduled transport block according to the information related to the coded block group actually included in the currently scheduled transport block, and when the feedback is performed for the coded block group, The appropriate amount of feedback information is determined according to the number of coding block groups, which reduces the overhead of control signaling, improves the demodulation performance of control signaling, and improves system efficiency.
  • the information related to the coded block group actually included in the currently scheduled transport block is the number of coded block groups actually included in the currently scheduled transport block;
  • the information related to the coded block group actually included in the currently scheduled transport block is the number of coded block groups actually included in the currently scheduled transport block and the number of coded blocks included in each coded block group.
  • the first quantity information is used to indicate a maximum number of coding block groups that a transport block can include, and the information related to the coded block group actually included by the currently scheduled transport block.
  • the S230 is specifically: the network device determines, according to the second quantity information, a quantity of coding blocks actually included by the currently scheduled transmission block; and the network device is configured according to a maximum of a coding block group that can be included by one transmission block.
  • the number and the number of code blocks actually included in the transport block indeed The number of coded block groups actually included in the currently scheduled transport block.
  • the network device determines, according to the maximum number of coding block groups that one transport block can include and the number of coding blocks that the currently scheduled transport block actually includes, the current scheduled
  • the number of coded block groups actually included in the transport block includes: a minimum value of a maximum number of coded block groups that the network device can include for one transport block and a number of coded blocks actually included in the currently scheduled transport block And determining the number of coded block groups actually included in the currently scheduled transport block.
  • the method 200 further includes: the network device receiving feedback information sent by the terminal device; the network device Determining, according to the feedback information, a coded block group that fails to be transmitted in the coded block group actually included in the currently scheduled transport block.
  • the method 200 further includes: the network device sends scheduling signaling, where the scheduling signaling is used. And indicating a partial coded block group retransmission in the coded block group actually included by the currently scheduled transport block.
  • the terminal device 10 includes:
  • the first processing module 11 is configured to determine first quantity information, where the first quantity information is information related to the number of coding block groups included in one transport block, and each coding block group includes at least one coding block;
  • the first processing module 11 is further configured to determine second quantity information, where the second quantity information is information related to a total number of bits included in the currently scheduled transmission block;
  • the second processing module 12 is configured to determine, according to the first quantity information and the second quantity information, information related to a coding block group actually included by the currently scheduled transmission block.
  • the terminal device determines the transport block with the current schedule based on information related to the number of coded block groups included in one transport block and information related to the total number of bits included in the currently scheduled transport block. Information about the block group actually included. Thereby, the terminal device can determine the number of the coded block groups actually included in the currently scheduled transport block according to the information about the coded block group actually included in the currently scheduled transport block, and can be encoded according to the coded block group.
  • the number of block groups determines an appropriate amount of feedback information, reduces the overhead of control signaling, improves the demodulation performance of control signaling, and improves system efficiency.
  • the first quantity information is used to indicate a maximum number of coding block groups that a transport block can include;
  • the first quantity information is used to indicate the number of coded block groups actually included in the currently scheduled transport block.
  • the second quantity information is used to indicate a total number of bits included in the currently scheduled transmission block
  • the second quantity information is used to indicate the number of bits included in each of the currently scheduled transmission blocks.
  • the information related to the coded block group actually included in the currently scheduled transport block is the number of coded block groups actually included in the currently scheduled transport block;
  • the information related to the coded block group actually included in the currently scheduled transport block is the number of coded block groups actually included in the currently scheduled transport block and the number of coded blocks included in each coded block group.
  • the first quantity information is used to indicate a maximum number of coding block groups that a transport block can include, and the information related to the coded block group actually included by the currently scheduled transport block.
  • the second processing module 12 is specifically configured to: determine, according to the second quantity information, a quantity of coding blocks actually included by the currently scheduled transmission block; and a maximum number of coding block groups that can be included according to one transport block. And determining the number of coding block groups actually included in the currently scheduled transmission block and the number of coding blocks actually included in the transport block.
  • the second processing module 12 is specifically configured to: a maximum number of coding block groups that can be included in one transport block and a number of coding blocks actually included in the currently scheduled transport block. The smaller of the values is determined as the number of coded block groups actually included in the currently scheduled transport block.
  • the second processing module 12 is further configured to: determine, according to the number of coding block groups actually included in the currently scheduled transmission block, and the number of coding blocks actually included in the currently scheduled transmission block, The number of coded blocks.
  • the information related to the coded block group actually included in the currently scheduled transport block is the number and each of the coded block groups actually included in the currently scheduled transport block.
  • the second processing module 12 is specifically configured to: when determining that the first quantity information is used to indicate the number of coding block groups actually included in the currently scheduled transmission block, indicating the first quantity information The number is determined as the number of code groups actually included in the currently scheduled transport block; and the number of code blocks included in each code block group in the currently scheduled transport block is determined according to the second quantity information.
  • the second processing module 12 is specifically configured to: determine, according to the second quantity information and a maximum number of bits that a coding block can include, an encoding included in each coding block group. The number of blocks.
  • each of the coding block groups includes a plurality of coding blocks
  • the number of the plurality of coding blocks included in each of the coding block groups is consecutive.
  • the terminal device supports multiple transmission configurations, where the transmission configuration includes one of the following transmission configurations: a service type configuration, a transmission time interval configuration, and a basic parameter set configuration.
  • the second processing module 12 is further configured to: determine, according to the current transmission configuration, a maximum number of bits that a coding block can include.
  • each coding block group corresponds to one common cyclic redundancy check CRC information
  • the information carried by each coding block included in each coding block group corresponds to A proprietary CRC message.
  • the second processing module 12 is further configured to: determine an encoding that is actually included in the currently scheduled transport block. Transmitting a failed coded block group in the block group; determining feedback information according to the coded block group in which the transmission failed.
  • the second processing module 12 is specifically configured to determine the first when the CRC information corresponding to the information carried by each coding block in the first coding block group is used.
  • the first coding block group is determined as a coding block group that fails transmission, and the first coding block group is a coding block actually included in the currently scheduled transmission block.
  • the terminal device further includes a transceiver module.
  • the transceiver module 13 is configured to: receive scheduling signaling, where the scheduling signaling is used to indicate that the currently scheduled transmission block is actually included, when the currently scheduled transmission block is a transport block of an uplink transmission. Partially encoded block groups in the coded block group are retransmitted; the partially coded block group is retransmitted.
  • the terminal device may refer to the process of the method 100 corresponding to the embodiment of the present application, and the respective units/modules in the terminal device and the other operations and/or functions described above are respectively implemented to implement the corresponding processes in the method 100. For the sake of brevity, it will not be repeated here.
  • FIG. 8 shows a network device according to an embodiment of the present application.
  • the network device 20 includes:
  • the processing module 21 is configured to determine first quantity information, where the first quantity information is information related to the number of coding block groups included in one transport block, and each coding block group includes at least one coding block;
  • the transceiver module 22 is configured to send, to the terminal device, a second quantity information, where the second quantity information is information related to a total number of bits included in the currently scheduled transmission block;
  • the processing module 21 is further configured to determine, according to the first quantity information and the second quantity information, information related to a coding block group actually included by the currently scheduled transmission block.
  • the network device determines the transport block with the current schedule based on information related to the number of coded block groups included in one transport block and information related to the total number of bits included in the currently scheduled transport block. Information about the block group actually included. And the network device sends the second quantity information to the terminal device, so that the terminal device can determine, according to the determined first quantity and the received second quantity information, information related to the coded block group actually included in the currently scheduled transmission block.
  • the terminal device or the network device can determine the number of the code groups actually included in the currently scheduled transport block according to the information related to the coded block group actually included in the currently scheduled transport block, and when the feedback is performed for the coded block group, The appropriate amount of feedback information is determined according to the number of coding block groups, which reduces the overhead of control signaling, improves the demodulation performance of control signaling, and improves system efficiency.
  • the information related to the coded block group actually included in the currently scheduled transport block is the number of coded block groups actually included in the currently scheduled transport block;
  • the information related to the coded block group actually included in the currently scheduled transport block is the number of coded block groups actually included in the currently scheduled transport block and the number of coded blocks included in each coded block group.
  • the first quantity information is used to indicate a maximum number of coding block groups that a transport block can include, and the information related to the coded block group actually included by the currently scheduled transport block.
  • the processing module 21 is specifically configured to: determine, according to the second quantity information, a quantity of coding blocks actually included by the currently scheduled transmission block; and a maximum number of coding block groups that can be included according to one transmission block.
  • the number of coding blocks actually included in the transport block determines the number of coded block groups actually included in the currently scheduled transport block.
  • the processing module 21 is specifically configured to: in a maximum number of coding block groups that can be included in one transport block, and a number of coding blocks actually included in the currently scheduled transport block The smaller value is determined as the number of coded block groups actually included in the currently scheduled transport block.
  • the transceiver module 22 is further configured to: receive feedback information sent by the terminal device;
  • the processing module 21 is further configured to determine, according to the feedback information, a coded block group that fails to be transmitted in the coded block group actually included in the currently scheduled transport block.
  • the transceiver module 22 is further configured to: send scheduling signaling, where the scheduling signaling is used to indicate The partially coded block group retransmission in the coded block group actually included in the currently scheduled transport block.
  • the network device may refer to the process of the method 200 corresponding to the embodiment of the present application, and the respective units/modules in the network device and the foregoing other operations and/or functions respectively implement the corresponding processes in the method 200.
  • the respective units/modules in the network device and the foregoing other operations and/or functions respectively implement the corresponding processes in the method 200.
  • it will not be repeated here.
  • FIG. 9 shows a terminal device according to another embodiment of the present application.
  • the terminal device 100 includes a processor 110 and a transceiver 120.
  • the processor 110 is connected to the transceiver 120.
  • the network device 100 further includes a memory 130.
  • the memory 130 is connected to the processor 110.
  • the processor 110, the memory 130, and the transceiver 120 can communicate with each other through an internal connection path.
  • the processor 110 is configured to determine first quantity information, where the first quantity information is information related to the number of coding block groups included in one transport block, each coding block group includes at least one coding block; a second quantity information, the second quantity information being information related to a total number of bits included in the currently scheduled transmission block; determining, according to the first quantity information and the second quantity information, the current scheduled The information about the block group actually included in the transport block.
  • the terminal device determines the transport block with the current schedule based on information related to the number of coded block groups included in one transport block and information related to the total number of bits included in the currently scheduled transport block. Information about the block group actually included. Thereby, the terminal device can determine, based on information related to the coded block group actually included in the currently scheduled transport block, The number of coded block groups actually included in the previously scheduled transport block can determine an appropriate amount of feedback information according to the number of coded block groups when feedback is performed on the coded block group, reducing control signaling overhead and improving control signaling. Demodulation performance to improve system efficiency.
  • the terminal device 100 may refer to the terminal device 10 corresponding to the embodiment of the present application, and each unit/module in the terminal device and the foregoing other operations and/or functions respectively implement the corresponding processes in the method 100. For the sake of brevity, it will not be repeated here.
  • FIG. 10 is a schematic block diagram of a network device according to another embodiment of the present application.
  • the network device 200 includes: a processor 210 and a transceiver 220.
  • the processor 210 and the transceiver 220 are connected, optionally
  • the terminal device 200 further includes a memory 230, and the memory 230 is connected to the processor 210.
  • the processor 210, the memory 230, and the transceiver 220 can communicate with each other through an internal connection path.
  • the processor 210 is configured to determine first quantity information, where the first quantity information is information related to the number of coding block groups included in one transport block, and each coding block group includes at least one coding block;
  • the transceiver 220 is configured to send, to the terminal device, a second quantity information, where the second quantity information is information related to a total number of bits included in the currently scheduled transmission block; the processor 210 is further configured to: The first quantity information and the second quantity information determine information related to the coded block group actually included in the currently scheduled transmission block.
  • the network device determines the transport block with the current schedule based on information related to the number of coded block groups included in one transport block and information related to the total number of bits included in the currently scheduled transport block. Information about the block group actually included. And the network device sends the second quantity information to the terminal device, so that the terminal device can determine, according to the determined first quantity and the received second quantity information, information related to the coded block group actually included in the currently scheduled transmission block.
  • the terminal device or the network device can determine the number of the code groups actually included in the currently scheduled transport block according to the information related to the coded block group actually included in the currently scheduled transport block, and when the feedback is performed for the coded block group, The appropriate amount of feedback information is determined according to the number of coding block groups, which reduces the overhead of control signaling, improves the demodulation performance of control signaling, and improves system efficiency.
  • the network device 200 may refer to the network device 20 corresponding to the embodiment of the present application, and the respective units/modules in the network device and the foregoing other operations and/or functions respectively implement the corresponding processes in the method 200, For the sake of brevity, it will not be repeated here.
  • the processor in the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the above processor may be a general-purpose processor, a digital signal processor (DSP), or an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component.
  • DSP digital signal processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM Double Data Rate SDRAM
  • DDR SDRAM Double Data Rate SDRAM
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM Synchronous Connection Dynamic Random Access Memory
  • DR RAM direct memory bus random access memory
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another The system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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MX2019010038A MX2019010038A (es) 2017-02-22 2017-02-22 Metodo y dispositivo para transmision de informacion.
ES21212662T ES2939016T3 (es) 2017-02-22 2017-02-22 Método y dispositivo para la transmisión de información
EP17897527.2A EP3584977B1 (en) 2017-02-22 2017-02-22 Method and device for information transmission
CN202111142053.3A CN113872737B (zh) 2017-02-22 2017-02-22 用于信息传输的方法和设备
AU2017400807A AU2017400807B2 (en) 2017-02-22 2017-02-22 Method and device for information transmission
KR1020197025338A KR20190118591A (ko) 2017-02-22 2017-02-22 정보 전송을 위한 방법 및 디바이스
JP2019545763A JP2020511820A (ja) 2017-02-22 2017-02-22 情報伝送のための方法及びデバイス
CA3054200A CA3054200C (en) 2017-02-22 2017-02-22 Method and device for information transmission
ES17897527T ES2907816T3 (es) 2017-02-22 2017-02-22 Método y dispositivo para la transmisión de información
BR112019017328-5A BR112019017328A2 (pt) 2017-02-22 2017-02-22 Método e dispositivo para transmissão de informação
PCT/CN2017/074447 WO2018152714A1 (zh) 2017-02-22 2017-02-22 用于信息传输的方法和设备
CN201780077870.0A CN110073624A (zh) 2017-02-22 2017-02-22 用于信息传输的方法和设备
US16/487,141 US10972227B2 (en) 2017-02-22 2017-02-22 Method and device for information transmission
RU2019129177A RU2722583C1 (ru) 2017-02-22 2017-02-22 Способ и устройство для передачи информации
EP21212662.7A EP3985902B1 (en) 2017-02-22 2017-02-22 Method and device for information transmission
SG11201907728YA SG11201907728YA (en) 2017-02-22 2017-02-22 Method and device for information transmission
TW107105077A TWI757425B (zh) 2017-02-22 2018-02-12 用於信息傳輸的方法和設備
IL268810A IL268810B2 (en) 2017-02-22 2019-08-20 A method and device for transmitting information
PH12019501935A PH12019501935A1 (en) 2017-02-22 2019-08-22 Method and device for information transmission
ZA2019/06074A ZA201906074B (en) 2017-02-22 2019-09-13 Method and device for information transmission
US17/035,138 US11483098B2 (en) 2017-02-22 2020-09-28 Method and device for information transmission
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